U.S.A., Oregon, Benton County: Corvallis, on bank of the Willamette River in the Eric McKinley Skate Park. Elev. 74 m.
44.557068° N, 123.261454° W

Associated taxa: Rubus, Fraxinus, Populus, Corylus, Oemleria, Ilex, Prunus. Agressive vine climbing up trees; fruits black.

U.S.A., Oregon, Washington County: West Slope, 7050 SW Canyon Crest Drive. Elev. 580 ft.
45.50234° N, 122.748486° W
Coordinate Source: Specimen Label.

Seedlings emerging in garden beds and lawn. Dispersed by birds, particularly under roosting tree. Abundant. Shade to partial shade.

U.S.A., Idaho, Ada County: E end of Julia Davis Park in Boise. Elev. 822 m.
43.607° N, 116.198° W

galley forest of mixed native and non-native trees and shrub at W end of Lagoon. Locally common in shade, forming ground cover and climbing trees. [photographed]

United States, Washington, Grays Harbor: Pacific Northwest Coast Ecoregion: Old Sand Creek Road, McCleary, ca 0.2 miles south of WA Hwy 8, 18 miles west of Olympia. T18N R5W S14 SE4 NE4 NW4. Elev. 340 ft
47.052554°, -123.27699°.

Old gravel logging road through second growth Douglas-fir forest with Cytisus scoparius, Alnus rubra, Rubus ursinus, Rubus bifrons, & Agrostis capillaris. HerbariumSpecimenDuplicate: Hedera helix Vine on Pseudotsuga menziesii. Leaf hairs stellate, erect, free to the base, white. https://intermountainbiota.org/portal/collections/individual/index.php?occid=31328537. Reproductive state: Vegetative.

U.S.A., California, San Mateo County: Pescadero Creek, bottom of a narrow steep-walled canyon bottom below Pescadero Creek Road just upstream from a bridge over the creek, 3 miles east of jct. Native Sons Road, 1 mi NE of jct. White Russian Way. Elev. 120 m.
37° 16\' 2" N, 122° 18\' 50" W
Coordinate Source: Specimen label.

Sequoia forest with Alnus and Notholithocarpus along the creek. Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Washington, Thurston County: Watershed Park

In a bog surrounded Deleted original records downloaded by Peter W. Uploaded proofed data 3/27/24

U.S.A., California, San Mateo County: End of Sneath Lane, near Sweeney Ridge Road trailhead. Elev. 200 m
37° 37\' 11" N, 122° 27\' 14" W

Dense Baccharis scrub. Climbing up Baccharis, part of a dense colony ca 5 m across, the only Hedera seen here; nu DNA content of leaf tissue 2.79 pg (2x). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Oregon, Clackamas County: Oregon City.
45.346227° N, 122.602142° W
Datum: WGS 84. Coordinate Source: Specimen Label.

Reproductive state: Vegetative.

U.S.A., Oregon, Clackamas County: West Linn.
45.358542° N, 122.678908° W
Coordinate Source: Specimen Label.

Forest understory. Adventive.

U.S.A., Washington, Pierce County: JBLM, TA-4, Perimeter Rd, roadside and edge of adjacent forest
47.08029° N, 122.67213° W
Datum: WGS84. Coordinate Source: GPS.

Occasional climbing Pseudotusga menziesii

U.S.A., California, San Mateo County: Immediately east of Skyline Blvd. (hwy. 35) at Skylonda, ca 100 m NW of jct. La Honda Road (hwy. 84). Elev. 450 m.
37° 23\' 13" N, 122° 15\' 54" W
Coordinate Source: Specimen label.

Sequoia - Quercus forest on crest of hills. Liana climbing up Quercus trunk; nu DNA content of leaf tissue 2.91 pg (2x). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., California, San Mateo County: Along the lower trail, just above the stream, in west-central Stulsaft Park, Redwood City. Elev. 55 m.
37° 27\' 16" N, 122° 15\' W
Coordinate Source: Specimen label.

Quercus - Umbellularia forest on steep slopes of canyon. Liana forming mats covering ground beneath trees on north-facing slope; nu DNA content of leaf tissue 2.81 (2x). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Washington, Snohomish County: South side of Skykomish River 1.1 km downstream from junction of North Fork and South Fork of river; southwest of Index. Site ID: BSL-1446. Elev. 139 m.
47.816706° N, 121.59286° W
Datum: WGS 84. Coordinate uncertainty: 30 meters. Georeferenced by Ben Legler. Coordinate Source: GPS.

Moist riparian forest on slope by river bank, shaded by Alnus rubra; mossy soil. Leaves deeply lobed; stems creeping along ground, forming a large mat, not climbing up trees; naturalized. Reproductive state: Vegetative.

U.S.A., Washington, King County: Along paved path through center of South Woods Park; Shoreline. Site ID: BSL-1448. Elev. 119 m.
47.738898° N, 122.304643° W
Datum: WGS 84. Coordinate uncertainty: 15 meters. Georeferenced by Ben Legler. Coordinate Source: Digital Map.

Shaded understory of Pseudotsuga menziesii forest, with Gaultheria shallon, Berberis nervosa, Vaccinium parviflorum, and Hedera. Leaves deeply lobed, lobes narrow; stems creeping along ground, scarcely climbing up adjacent trees; occasional weed. Reproductive state: Vegetative.

U.S.A., Idaho, Ada County: Between bridges on lower Red-winged Blackbird Trail (#35A) in Hulls Gulch, base of foothills on NE side of Boise. Elev. 850 m.
43.638° N, 116.197° W
Coordinate Source: Specimen Label.

Mixture of native and naturalized trees and shrubs on sandy floodplain. Localized but well-established ground cover; also in counterpart site on Gold Finch Trail (#35)

U.S.A., Oregon, Marion County: Near west bank of Mill Creek, east of Turner Road southeast, 10.6 air kilometers west northwest of Waldo Hills, Salem. Elev. 60 m.
44.9147° N, 122.9947° W
Coordinate Source: Specimen Label.

In thickets near floodplain, with Hedera hibernica, Alnus rhombifolia. Rhizomatous evergreen weedy liana, common. Origin: Introduced.

U.S.A., Oregon, Linn County: Near Truax Island, 11.1 air kilometers southeast of Dimple Hill. Elev. 60 m.
44.5836° N, 123.1837° W
Coordinate Source: Specimen Label.

On shaded tree trunks and prostrate on the edge of the forest floor. Rhizomatous evergreen weedy liana, common. Origin: Introduced.

U.S.A., Oregon, Linn County: Near Truax Island, 11.1 air km SE of Dimple Hill. Elev. 60 m.
44.5836° N, 123.1837° W
Coordinate Source: Specimen Label.

Common on shaded tree trunks and prostrate on the edge of the forest floor. Rhizomatous evergreen weedy liana, common on shaded tree trunks. Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Oregon, Multnomah County: Foley Balmer section of Marshall Park. Banks of Quail Creek.
45.45612° N, 122.70026° W
Coordinate Source: Specimen Label.

Moist creekside. Associated species: Polystichum, Aucuba japonica, Acer macrophyllum, A. platanoides, Gaultheria shallon, Rubus spectabilis, Alnus rubra. Common. Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Washington, King County: Along paved path through center of South Woods Park; Shoreline. Elev. 119 m.
47.738898° N, 122.304643° W
Datum: WGS 84. Coordinate uncertainty: 15 meters. Coordinate Source: Digital map.

Shaded understory of Pseudotsuga menziesii forest, with Gaultheria shallon, Berberis nervosa, Vaccinium parviflorum, and Hedera. Leaves deeply lobed, lobes narrow; stems creeping along ground, scarcely climbing up adjacent trees; occasional weed. Reproductive state: Vegetative.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 1 km. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386339°, -122.74723°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 1 km. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386339°, -122.74723°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 1 km. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386339°, -122.74723°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States of America, Oregon, Washington County: Tualatin: Tualatin Public Library, 18878 sw Martinazzi ave. East side of library sits trail head to Ice Age Trail. from TH walk E about 900m. Ivy on N side of trail. Ivy being removed 2016. Elev. 47
45.386467°, -122.74765°. Datum: WGS84.

United States, Oregon, Linn: Near Traux Island, 11.1 air km SE of Dimple Hill.
44.5836°, -123.1837°.

Shaded tree trunks and prostrate on edge of the forest floor. Rhizomatous evergreen weedy liana, common. https://intermountainbiota.org/portal/collections/individual/index.php?occid=30943711.

United States, Oregon, Benton: On the banks of Soap Creek along Sulphur Springs Road, McDonald Forest. Elev. 135
44.642868°, -123.32593°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 109538, StateProvince: Oregon, County: Benton, LocName: Lat 44 Deg 38 Min 34.325 Sec; Lon -123 Deg 19 Min 33.367 Sec. OregonFlora 1994-2020 methodology.

Climbing big leaf maples and in a roadside ditch. Symphoricarpos albus, Acer macrophyllum, Equisetum https://oregonflora.org/collections/individual/index.php?occid=2295238. Reproductive state: flowering.

United States, Oregon, Benton: Macdonald Forest; Calloway Creek Trail. Elev. 130 m.
44.6614°, -123.2329°.

Open conifer forest. Pseudotsuga menziesii, Corylus cornuta, Prunus avium, Frangula purshiana Adventive, evergreen liana slimming into trees. https://oregonflora.org/collections/individual/index.php?occid=4190714. Origin: wild collection.

United States, Oregon, Washington: N shore of Commonwealth Lake, Beaverton. Elev. 57
45.513°, -122.807°. Coordinate Source: Specimen Label.

On shady forest floor. Fraxinus latifolia, Rosa nutkana, Rubus armeniacus Common weed. nu DNA content of leaf tissue 2C=2.96 pg (2x).; Rhizomatous, evergreen. https://oregonflora.org/collections/individual/index.php?occid=4198835. Origin: wild collection.

United States, Oregon, Benton: Macdonald Forest; Calloway Creek Trail. Elev. 125
44.6614°, -123.2303°.

Open conifer forest. HerbariumSpecimenDuplicate: Hedera helix ssp. helix Nuclear DNA content 4.54 pg (3x). SHEET 1 OF 2.; Adventive, evergreen liana slimming into trees. https://oregonflora.org/collections/individual/index.php?occid=4200513. Origin: wild collection.

United States, Oregon, Benton: Macdonald Forest; Calloway Creek Trail. Elev. 125
44.6614°, -123.2303°.

Open conifer forest. HerbariumSpecimenDuplicate: Hedera helix Nuclear DNA content 4.54 pg (3x). SHEET 2 OF 2.; adventive, evergreen liana climbing 12 m into trees. https://oregonflora.org/collections/individual/index.php?occid=4200924. Origin: wild collection.

United States, Oregon, Benton: Macdonald Forest, Calloway Creek Trail. Elev. 150 m
44.6616°, -123.2306°.

Open conifer forest with Pseudotsuga menziesii, Ilex aquifolium, Rubus arsinus, and Polystichum munitum. Adventive, evergreen liana climbing into trees. https://oregonflora.org/collections/individual/index.php?occid=4202217. Origin: wild collection.

U.S.A., District of Columbia: Top of Hickey Hill, near loop road at summit, west edge of Asian Collection, east end of United States National Arboretum. Elev. 45 m.
38° 54\' 46" N, 76° 57\' 27" W
Coordinate Source: Specimen label.

Climbing oak tree, tightly adherent to bark; leaves green with contrasting pale green veins; nu DNA content of leaf tissue 2.90 pg (2x). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., District of Columbia: Woods west of the Youth Garden, south of the Massachusetts elm in the Grove of State Trees, United States National Arboretum. Elev. 12 m
38° 54\' 25" N, 76° 57\' 59" W
Coordinate Source: Specimen label.

Quercus spp. forest. Prostrate on the ground or spreading up tree trunks, leaves green, veins often considerably paler than blade; nu DNA content of leaf tissue 2.9 pg (2x). Reproductive state: Flowers. Origin: Introduced.

U.S.A., Maryland, Prince George\'s County: Woody Landscape Plant Germplasm Repository (United States Dept. of Agriculture), South Farm of Beltsville Agricultural Research Center, adjacent to College Park. Elev. 35 m.
39° 42" N, 76° 56\' 39" W
Coordinate Source: Specimen label.

Forming dense masses on a tree trunk and creeping over adjacent ground, edge of woods between trailers and 300 field, WLPGR; nu DNA content of leaf tissue 2.89 pg (2x). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., California, San Diego County: City of Fallbrook, W of Old Hwy 395, along Tecalaote Dr., S of Reche Rd. (S 15). Elev. 166 m.
33.36735° N, 117.17798° W
Coordinate Source: Specimen label.

Coast Live Oak Woodland/Ruderal. Evergreen vine, sterile. Local, growing in leaf litter in woodlands on road banks. Nuclear DNA content 2.89 pg (2x; Whittemore and Xia). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., California, Orange County: City of San Juan Capistrano, San Juan Creek at La Nova Rd. Elev. 31 m.
33.50252° N, 117° 38.9112\' W

Fraxinus sp. Local, invasive, mesic soil climbing on Fraxinus. Nuclear DNA content 2.87 pg (2x; Whittemore and Xia). Reproductive state: Vegetative. Origin: Introduced.

U.S.A., Washington, Mason County: Gladwin Road approximately 0.5 kilometers south of junction with Highway 300. Elev. 5 m.
47.43575° N, 122.86445° W
Datum: WGS 84. Coordinate uncertainty: 20 meters. Coordinate Source: GPS.

Roadside beneath Acer macrophyllum and Alnus rubra overstory. Creeping on forest understory; fertile where climbing tree trunk; basal leaves narrowly lobed. Reproductive state: Flowers. Origin: Introduced.

U.S.A., Oregon, Linn County: South ALbany, Oak Creek Trail, ca. 150 feet northwest fo [sic: of] the end of Moose Run. Elev. 230 ft.
44.60522° N, 123.16879° W
Coordinate Source: Specimen Label.

Habitat: Mixed Forest. Associated Taxa: Pseudotsuga menziesii, Acer macrophyllum, Quercus garryana, Abies grandis, Oemleria cerasiformis, Corylus cornuta, Symphoricarpos albus, Rubus ursinus, Polystichum munitum, Berberis aquifolium, Polypodium glycyrrhiza. Vine, creeping on ground and climbing to 50 feet on Abies grandis; fruits blackish-green. Reproductive state: Fruits. Origin: Introduced.

U.S.A., Washington, King County: University of Washington Bothell Campus, along Burke-Gilman Trail and Beardslee Boulevard and 110th Ave NE. Site ID: D3. Elev. 14 m.
47° 45\' 51.1" N, 122° 11\' 33.6" W
Coordinate Source: GPS.

Collected along sidewalk on University of Washington Bothell Campus. Herbaceous vine, growing up Acer macrophyllum tree, 2.3meters tall, 1meter wide. Leaves are dark green and glossy, pointy lobed, and with white/gray venation. Underside of leaf is light green. Older growth stems are woody with newer growth having bright green supple stems. Reproductive state: Vegetative.

United States, Oregon, Linn: South Albany, Oak Creek Trail, ca. 150 feet northwest fo the end of Moose Run. Elev. 230 ft.
44.60522°, -123.16879°. Georeferenced by [automated process-OregonFlora/OSU Herb]. Coordinate Source: OrlookId: 109862, StateProvince: Oregon, County: Linn, LocName: Lat 44.60522 Deg; Lon -123.16879 Deg. OregonFlora 1994-2020 methodology.

Mixed forest. HerbariumSpecimenDuplicate: Hedera helix ssp. helix https://oregonflora.org/collections/individual/index.php?occid=4187636. Origin: wild collection.

U.S.A., Washington, King County: Northeast 180th Street near 24th Avenue, Shoreline. Elev. 105 m.
47.7596° N, 122.3065° W

Partly shaded thickets, with Pseudotsuga, Thuja, Acer macrophyllum, Populus, Ilex aquifolium, Rubus armeniacus, Polystichum munitum. Adventive evergreen woody vine climbing several meters into trees; fruit greenish-purple, subglobose, 7-9 millimeters diameter. Reproductive state: Fruits. Origin: Introduced.

U.S.A., Oregon, Benton County: Northwest Corvallis, powerline right-of-way, circa 785 feet south of Lester Avenue. Elev. 505 ft.
UTM Zone 10, 478073E, 4938991N
Datum: WGS 84.

Douglas-fir-big-leaf maple forest. With Pseudotsuga menziesii, Acer macrophyllum, Rubus vestitus, Toxicodendron diversilobum. Woody vine climbing 75 feet up a Douglas-fir tree; also creeping on the ground in shaded forest understory. Berries purple-black. Reproductive state: Fruits. Origin: Introduced.